光線力学療法を指向したドラッグデリバリーシステム

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  • 野本 貴大
    東京工業大学 科学技術創成研究院 化学生命科学研究所

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タイトル別名
  • Drug Delivery Systems for Photodynamic Therapy
  • コウセン リキガク リョウホウ オ シコウ シタ ドラッグデリバリー システム

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Extending the application of photodynamic therapy (PDT) requires development of photosensitizers (PSs) that can selectively accumulate within target tumors. Although researchers have developed various kinds of PSs in recent years, only a few of them have reached the clinical development stage. This article reviews the characteristics of clinically approved PSs to elucidate the physicochemical properties which are necessary for their practical application and examines recent trends in the development of drug delivery systems (DDSs) for PDT. In addition, this article introduces polymer-PS conjugates developed in our lab which target acidic tumorous pH and the tumor-associated vasculature. Our polymer- PS conjugates exhibited selective tumor accumulation after intravenous injection and a significantly enhanced PDT effect in subcutaneous tumor models. Our DDSs also unveiled important fundamental knowledge in photochemical damage to normal and tumor tissues, which may contribute to the future design of DDSs for PDT.

収録刊行物

  • レーザー研究

    レーザー研究 49 (11), 611-, 2021

    一般社団法人 レーザー学会

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